20222200123 has 2 divisors, whose sum is σ = 20222200124. Its totient is φ = 20222200122.

The previous prime is 20222200109. The next prime is 20222200157. The reversal of 20222200123 is 32100222202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20222200123 - 2⁵ = 20222200091 is a prime.

It is a super-2 number, since 2×20222200123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20222200097 and 20222200106.

It is not a weakly prime, because it can be changed into another prime (20222201123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111100061 + 10111100062.

It is an arithmetic number, because the mean of its divisors is an integer number (10111100062).

Almost surely, 2^20222200123 is an apocalyptic number.

20222200123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222200123 is an equidigital number, since it uses as much as digits as its factorization.

20222200123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20222200123 its reverse (32100222202), we get a palindrome (52322422325).

The spelling of 20222200123 in words is "twenty billion, two hundred twenty-two million, two hundred thousand, one hundred twenty-three".